Lubbe, Jan C.A. Van Der <br/><br/>
Basic methods of cryptography 

 - Cambridge  Cambridge University Press  1998 
 - xiv, 229 p.  23 cm. 
<br/><br/><label>ISBN: </label>0521555590 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Cryptography<br/>DES algorithm
<br/><br/><label>Dewey Class. No.: </label>005.82  / LUB